html {
  font-size: 100px;
}
* {
  box-sizing: border-box;
}
html,
body,
#app {
  height: 100%;
  overflow: hidden;
}
#app {
  max-width: 540px;
  overflow: hidden;
}
.main-box {
  padding-top: 0.6rem;
  margin: 0 auto;
}
/* 转盘区域 */
.music-box {
  position: relative;
  width: 2.5rem;
  height: 2.5rem;
  margin: 0 auto;
  /* 指针 */
}
.music-box .dis-box {
  width: 100%;
  height: 100%;
  background: url(../images/disc-plus.png) no-repeat;
  background-size: cover;
  animation: musicMove 20s linear infinite;
  animation-play-state: paused;
}
.music-box .dis-box .dis {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1.55rem;
  height: 1.55rem;
  padding: 0.03rem;
  background: url(../images/disc_default.png) no-repeat;
  background-size: cover;
  border-radius: 50%;
}
.music-box .dis-box .dis > img {
  width: 100%;
  height: 100%;
  border-radius: inherit;
}
.music-box .play-box {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0.6rem;
  height: 0.6rem;
  background: url(../images/play_btn_3x.png) no-repeat;
  background-size: cover;
}
.music-box .needle {
  position: absolute;
  top: -0.52rem;
  right: 0.55rem;
  width: 0.74rem;
  height: 1.2rem;
  background: url(../images/needle-ab.png) no-repeat;
  background-size: cover;
  transform: rotate(355deg);
}
/* 转盘转动 */
@keyframes musicMove {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
/* 歌词部分 */
.lyric-box {
  overflow: hidden;
  padding-top: 0.3rem;
  text-align: center;
  color: #fefefe;
}
.lyric-box .title {
  line-height: 0.35rem;
  font-size: 0.18rem;
  font-weight: normal;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.lyric-box .text {
  line-height: 0.3rem;
  font-size: 0.16rem;
  height: 0.52rem;
  overflow: hidden;
  -webkit-mask: -webkit-linear-gradient(top, #000, #000 70%, rgba(0, 0, 0, 0));
}
.lyric-box .wrapper {
  transform: translateY(0rem);
  transition: all 0.3s;
}
/* 其他组件 */
.units-box {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 0.3rem;
  margin: 0 auto;
  margin-top: 0.2rem;
  color: hsla(0, 0%, 100%, 0.8);
  font-size: 0.14rem;
}
.units-box > div {
  width: 1.22rem;
  line-height: 0.3rem;
  text-align: center;
}
.units-box .left {
  position: relative;
  height: 0.27rem;
}
.units-box .left .song-music {
  height: 100%;
  margin-right: 0.05rem;
}
.units-box .left .go-song-music {
  position: absolute;
  right: 0.12rem;
  top: 50%;
  margin-top: -0.075rem;
  height: 0.15rem;
}
.units-box .right {
  display: flex;
  justify-content: center;
  align-items: center;
}
.units-box .right .listen-music {
  display: inline-block;
  width: 0.2rem;
  height: 0.2rem;
  background: url(../images/listen_music.png) no-repeat;
  background-size: cover;
  margin-right: 0.03rem;
}
.units-box .right > img {
  width: 0.15rem;
  height: 0.15rem;
}
.units-box .seg {
  display: block;
  width: 1px;
  height: 0.14rem;
  background: hsla(0, 0%, 100%, 0.2);
}
/* 背景层 */
.mark-overlay,
.mark-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.mark-image {
  z-index: -2;
  background-color: #292929;
  background-repeat: no-repeat;
  background-position: center;
  background-size: 180% 150%;
  filter: blur(35px);
}
.mark-overlay {
  z-index: -1;
  background: rgba(0, 0, 0, 0.5);
}
